ALUMINA COMPOSITES RS-100
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ALUMINA COMPOSITES ZIRCAR Refractory Composites, Inc. produces a comprehensive range of advanced high performance ceramic-ceramic composites and related products. Our materials are used around the world in demanding thermal, structural and electrical insulating applications at temperatures from 600°C(1112°F) to 1650°C(3002°F). For over twenty-five years we have been a problem solver working with many industries to resolve their thermal management problems. We have developed materials that have become industry standards for induction melting, forging and heat-treating applications, investment casting, glass processing, hot pressing, as well as many high temperature electrical applications. Refractory Sheet Types RS-100 and RS-200 boards are fiber reinforced structural Alumina composites with useful properties in thermal, structural and electrical insulation applications to 1260°C(2300°F). Type RS- 100 has compressive and flexural strengths in the range of high temperature reinforced plastics, such as G-10 laminates, but retains its strength and utility to levels far exceeding the maximum use temperatures of plastics. The mechanical properties of RS-100 exceed those of all calcium-silicate materials, as well as Transite and other asbestos cement materials, overall temperature ranges. Therefore, Type RS-100 not only makes an excellent replacement for rigid asbestos-containing products, but it can also be employed at much higher temperatures. Type RS-100 is 100% inorganic, non-flammable and contains no asbestos. It's high Alumina content makes it highly resistant to many environments, including molten aluminum, and it undergoes no out-gassing upon heating. It is not brittle and has high impact resistance. Type RS- 100 may be cut and machined with standard tooling. Type RS-200 boards have all the properties of Type RS- 100 but exhibit higher strength due to a finer reinforcement structure. This makes Type RS-200 ideal for applications where intricate machining detail is needed. It is not brittle and has high impact resistance. Type RS-200 may be cut and machined with standard tooling. ZIRCAR Refractory Sheet Type RS-1200 boards are made from a combination of strong reinforcing fibers tightly bound in an alumina ceramic matrix. Type RS-1200 exhibits slightly lower compressive and flexural strength than RS- 100. Type RS-1200 is completely inorganic and contains no asbestos or RCF fibers. It also exhibits greater refractoriness and homogeneity than other reinforced alumina matrix composite products and can be readily machined to tight tolerances with conventional carbide SUGGESTED APPLICATIONS • Induction Furnace Components such as Coil Support Posts, Coil Liners, Furnace Tops, Crucible Bases, Front and Back Plates • Electrical Terminal Blocks and Supports for Electrical Resistor Grids Operating in High Temperature Environments • Exterior Structural Insulation in High Temperature Electrically Heated and Gas Fired • Hot Face Structural Insulation in Glass Tempering and Annealing Furnaces • Brazing Separators and Fixtures • General Protective Heat Shielding in Foundry • Insulation in High Pressure Molding Presses • Hearth plates and Furnace Shelving ZIRCAR Refractory Composites, Inc. _ . . . n , P.O. BOX489, FLORIDA, NY 10921-0489 lecnmcai uata Home page: http://www.zrci.com y This information, which is subject to change, is offered solely for your consideration and should not be taken as a warranty or representation forwhich we assume legal responsibility. It is not to be understood as permission or recommendation to practice a patented invention without a license and the user should determine whether relevant paten

White to tan White to tan White to tan Other Metal Oxides Organic content Density, gm/cc(pcf) Modulus of Rupture**, MPa(psi) Specific Heat, J/kg°K(BTU/lb°F) Thermal Conductivity, Thermal Expansion, Linear Shrinkage*, % Electrical Properties Volume Resistivity, ohm-cm 7.2 x1011 1.7x10 Surface Resistance, ohms 2.3x1011 >1.3x10 Dielectric Strength, Volts/mil 71 26 * Maximum use temperature is dependent on variables such as stresses, both thermal and mechanical, and the chemical environment that the material ** Properties expressed parallel to thickness. * Properties expressed perpendicular to...

ALUMINA COMPOSITE MATERIALS ZIRCAR Refractory Sheet Type RS-101, RS-201 and RS-202 are fiber reinforced ceramic laminate cylinders with useful properties to 2300°F(1260°C). These high temperature products offer high strength, moderate thermal conductivity and excellent electrical insulation. They retain their strength and utility to levels far exceeding maximum use temperatures of reinforced plastics and asbestos cement replacements. They are 100% inorganic, non- flammable and contain no asbestos. Their high alumina content makes them resistant to many environments including molten...

ALUMINA COMPOSITE MATERIALS Custom boards, shapes and preparations are available on request. Our forming processes, large inventory of custom tooling and state of the art machining techniques allow a wide variety of sizes and shapes to be made. Special geometries such as disks, rings and custom-machined shapes can be fabricated. Tight tolerance machining, compositional variations and the application of surface rigidizers and hardening agents are available. Please contact us with your special requirements. Our forming process allows a wide range of cylinders to be made. Type RS-101 cylinders...